637328305

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{1549}}^1$

素因数の和:1705

約数の個数: 32

約数和(自身を含む): 830304000

約数和(自身を除く): 192975695

約数列:

[1, 5, 19, 61, 71, 95, 305, 355, 1159, 1349, 1549, 4331, 5795, 6745, 7745, 21655, 29431, 82289, 94489, 109979, 147155, 411445, 472445, 549895, 1795291, 2089601, 6708719, 8976455, 10448005, 33543595, 127465661, 637328305]

約数ペア:

[(1, 637328305), (5, 127465661), (19, 33543595), (61, 10448005), (71, 8976455), (95, 6708719), (305, 2089601), (355, 1795291), (1159, 549895), (1349, 472445), (1549, 411445), (4331, 147155), (5795, 109979), (6745, 94489), (7745, 82289), (21655, 29431)]